u-boot/drivers/crypto/rsa_mod_exp/mod_exp_sw.c
Heinrich Schuchardt 17e1174085 drivers: crypto: rsa_mod_exp: avoid DM_FLAG_PRE_RELOC
Function rsa_verify_key() is not called before relocation. So there is no
need to load the UCLASS_MOD_EXP drivers before relocation.

This avoid a failure to boot for pine64-lts_defconfig with CONFIG_RSA=y.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
2020-04-16 08:12:32 +02:00

38 lines
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C

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2014 Freescale Semiconductor, Inc.
* Author: Ruchika Gupta <ruchika.gupta@freescale.com>
*/
#include <config.h>
#include <common.h>
#include <dm.h>
#include <u-boot/rsa-mod-exp.h>
static int mod_exp_sw(struct udevice *dev, const uint8_t *sig, uint32_t sig_len,
struct key_prop *prop, uint8_t *out)
{
int ret = 0;
ret = rsa_mod_exp_sw(sig, sig_len, prop, out);
if (ret) {
debug("%s: RSA failed to verify: %d\n", __func__, ret);
return ret;
}
return 0;
}
static const struct mod_exp_ops mod_exp_ops_sw = {
.mod_exp = mod_exp_sw,
};
U_BOOT_DRIVER(mod_exp_sw) = {
.name = "mod_exp_sw",
.id = UCLASS_MOD_EXP,
.ops = &mod_exp_ops_sw,
};
U_BOOT_DEVICE(mod_exp_sw) = {
.name = "mod_exp_sw",
};